Home / 86,470.25-119,330.77-48,744.50

Finding the Fourth Proportional to 86,470.25, 119,330.77 and 48,744.50

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Solution

The fourth proportional to 86,470.25, 119,330.77 and 48,744.50 is: 67,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,470.25 : 119,330.77 = 48,744.50 : x
  2. Step 2: Convert to fraction form
    86,470.25/119,330.77 = 48,744.50/x
  3. Step 3: Cross multiply
    86,470.25x = 119,330.77 × 48,744.50
  4. Step 4: Simplify right side
    86,470.25x = 5,816,718,718.27
  5. Step 5: Solve for x
    x = 5,816,718,718.27/86,470.25
  6. Step 6: Final answer
    x = 67,268.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.